Connecting rod lock with double-locking function
By combining mechanical and electronic locking mechanisms, the lock cylinder housing, connecting plate, connecting shaft, lock tongue, and electromagnet are designed to achieve dual locking function, solving the problem that existing linkage locks are easily pried open or violently damaged, and improving security performance.
Patent Information
- Application Number
- CN202520435550.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing double-locking linkage locks are easily pried open or forcibly destroyed, resulting in low security performance.
It adopts a combination of mechanical and electronic locking, and achieves dual locking function through the design of lock cylinder housing, connecting plate, connecting shaft, lock tongue, power module and electromagnet.
It improves the security of locks, prevents simple mechanical operation or violent damage, and ensures the safe closing and opening of doors.
Smart Images

Figure CN223880936U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of lockset, specifically a kind of double locking function connecting rod lock. BACKGROUND
[0002] Connecting rod lock is widely used in residential, commercial building, financial institution, data center, government agency, medical facility, educational institution, industrial facility, hotel and public place and other multiple fields due to its high safety and reliability, to provide effective security protection.
[0003] In the prior art, double locking function connecting rod lock provides higher safety by combining mechanical and electronic double locking mechanism, and its operating principle includes mechanical locking, electronic locking, connecting rod structure and double verification process, to ensure the safe closing and opening of door.
[0004] In the prior art, connecting rod lock is mainly locked by mechanical structure, which is easy to be pried open or damaged by violence, and has low safety performance, therefore, a double locking function connecting rod lock is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the utility model provides a double locking function connecting rod lock.
[0006] The utility model discloses a double locking function connecting rod lock, which comprises a body, a lock cylinder shell is installed on the inner side wall of the body, a connecting plate is rotatably connected to the middle part of the lock cylinder shell, a plurality of connecting shafts are rotatably connected to the end of the connecting plate, the connecting shafts are symmetrically arranged, a plurality of through grooves are formed in the side wall of the body, the through grooves are symmetrically arranged, lock latches are rotatably connected to the side wall of the connecting shafts, a power module is fixedly connected to the inner side wall of the bottom of the body, a plurality of fixed rods are fixedly connected to the side wall of the power module, the fixed rods are symmetrically arranged, an electromagnet is fixedly connected to the side wall of the power module and fixed rod, and the electromagnet is in contact with the lock latch.
[0007] Preferably, a fixed buckle is fixedly installed on the side wall of the body, a fingerprint groove is formed in the middle part of the fixed buckle, and the fixed buckle is connected with the power module.
[0008] Preferably, a plurality of lock holes are formed in the end side wall of the lock latch, the lock holes are linearly arranged, a plurality of triangular recesses are formed in the side wall of the lock latch, and the triangular recesses are regularly linearly arranged.
[0009] Preferably, a plurality of protective covers are fixedly connected to the side wall of the body, the protective covers are located at the through grooves and are arranged as covers, and the protective covers are correspondingly arranged.
[0010] Preferably, the inner side wall of the protective cover is fixedly connected with a plurality of springs; the plurality of springs are arranged in an array; and the end of each of the plurality of springs is fixedly connected with a rubber plate.
[0011] Preferably, the side wall of the body is provided with a plurality of sliding grooves; the plurality of sliding grooves are symmetrically arranged; a sliding cover plate is slidably connected to the side wall of each of the plurality of sliding grooves; and the sliding cover plate is arranged to slide up and down.
[0012] The utility model discloses beneficial effects of:
[0013] The utility model provides a kind of connecting rod lock with double locking function, the inner side wall of body is equipped with lock cylinder shell, lock cylinder shell is fixed on the surface of body, lock cylinder shell middle part is fixedly connected with connecting plate, connecting plate both sides are fixedly connected with connecting shaft, the side wall of body is provided with multiple through-slots, lock bolt can move inside through-slot, connecting shaft is connected with lock bolt, by inserting key into lock cylinder shell, rotating key, connecting plate can be rotated, the rotation of connecting plate drives lock bolt to rotate, by rotating, lock bolt moves, and the lock bolt that moves is inserted into slot, to realize locking, the inner side wall of body bottom is fixedly installed power module, power module both sides are fixedly connected with fixed rod, the side wall of power module and fixed rod is fixedly connected with electromagnet, electromagnet is in contact with body, when locking, rotating lock cylinder shell makes multiple lock bolt be inserted into corresponding slot, then power is connected, multiple electromagnet corresponding adsorbs multiple lock bolt, so that lock bolt cannot move, cannot be moved by simple mechanical rotation, realize double locking function.
[0014] The utility model provides a kind of connecting rod lock with double locking function, the side wall of body is fixedly connected with fixed buckle, fingerprint slot is set in the middle part of fixed buckle, when locking, finger is placed into fingerprint slot and is identified, identification is passed through to complete power on, when unlocking, finger is placed into fingerprint slot and is identified to disconnect power, so that electromagnet does not adsorb lock bolt, when this, key is inserted into lock cylinder shell to complete unlocking. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings described herein are used to provide further understanding of the utility model and constitute part of the present application, and the illustrative embodiment of the utility model and its description are used to explain the utility model, and do not constitute improper limitation to the utility model.
[0016] In the drawings:
[0017] Figure 1 It is the perspective view of the utility model;
[0018] Figure 2 It is the perspective view of the lock bolt in the utility model;
[0019] Figure 3 is the perspective view of the lock cylinder shell in the utility model;
[0020] Figure 4 is the perspective view of the electromagnet in the utility model;
[0021] Figure 5 is the perspective view of the protective cover in the utility model.
[0022] Legend:
[0023] 1, the body; 11, the lock cylinder shell; 12, the connecting plate; 13, the connecting shaft; 14, the through slot; 15, the lock tongue; 16, the power module; 17, the fixed rod; 18, the electromagnet; 2, the fixed buckle; 21, the fingerprint groove; 3, the lock hole; 31, the triangular groove; 4, the protective cover; 5, the spring; 51, the rubber plate; 6, the sliding groove; 61, the sliding cover plate. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] The specific embodiments are given below.
[0026] Please refer to Figures 1-4The utility model provides a kind of connecting rod lock with double locking function, including body 1;Lock cylinder housing 11 is installed in the inner wall of body 1;Connecting plate 12 is rotatably connected in the middle part of lock cylinder housing 11;Multiple connecting shafts 13 are rotatably connected in the end of connecting plate 12;Multiple connecting shafts 13 are symmetrically arranged;Multiple through slots 14 are arranged in the side wall of body 1;Multiple through slots 14 are symmetrically arranged;Multiple lock latches 15 are rotatably connected in the side wall of multiple connecting shafts 13;Power module 16 is fixedly connected in the inner wall of the bottom of body 1;Multiple fixed rods 17 are fixedly connected in the side wall of power module 16;Multiple fixed rods 17 are symmetrically arranged;Electromagnet 18 is fixedly connected in the side wall of power module 16 and fixed rod 17;Electromagnet 18 is in contact with lock latch 15;When working, lock cylinder housing 11 is installed in the inner wall of body 1, lock cylinder housing 11 is fixed on the surface of body 1, connecting plate 12 is fixedly connected in the middle part of lock cylinder housing 11, connecting shaft 13 is fixedly connected in the both sides of connecting plate 12, multiple through slots 14 are arranged in the side wall of body 1, lock latch 15 can move inside through slot 14, connecting shaft 13 is connected with lock latch 15, by inserting key into lock cylinder housing 11, rotating key, connecting plate 12 can be rotated, lock latch 15 is rotated by the rotation of connecting plate 12, lock latch 15 is moved by rotating, and lock latch 15 is inserted into slot, to realize locking, power module 16 is fixedly installed in the inner wall of the bottom of body 1, fixed rod 17 is fixedly connected in the both sides of power module 16, electromagnet 18 is fixedly connected in the side wall of power module 16 and fixed rod 17, electromagnet 18 is in contact with body 1, when locking, rotating lock cylinder housing 11 makes multiple lock latches 15 be inserted into corresponding slot, then power is connected, multiple electromagnets 18 correspondingly adsorb multiple lock latches 15, so that lock latch 15 cannot move, cannot move lock latch 15 by simple mechanical rotation, to realize double locking function.
[0027] Further, as shown in Figure 1 The utility model discloses a kind of connecting rod lock with double locking function, including body 1;Lock cylinder housing 11 is installed in the inner wall of body 1;Connecting plate 12 is rotatably connected in the middle part of lock cylinder housing 11;Multiple connecting shafts 13 are rotatably connected in the end of connecting plate 12;Multiple connecting shafts 13 are symmetrically arranged;Multiple through slots 14 are arranged in the side wall of body 1;Multiple through slots 14 are symmetrically arranged;Multiple lock latches 15 are rotatably connected in the side wall of multiple connecting shafts 13;Power module 16 is fixedly connected in the inner wall of the bottom of body 1;Multiple fixed rods 17 are fixedly connected in the side wall of power module 16;Multiple fixed rods 17 are symmetrically arranged;Electromagnet 18 is fixedly connected in the side wall of power module 16 and fixed rod 17;Electromagnet 18 is in contact with lock latch 15;When working, lock cylinder housing 11 is installed in the inner wall of body 1, lock cylinder housing 11 is fixed on the surface of body 1, connecting plate 12 is fixedly connected in the middle part of lock cylinder housing 11, connecting shaft 13 is fixedly connected in the both sides of connecting plate 12, multiple through slots 14 are arranged in the side wall of body 1, lock latch 15 can move inside through slot 14, connecting shaft 13 is connected with lock latch 15, by inserting key into lock cylinder housing 11, rotating key, connecting plate 12 can be rotated, lock latch 15 is rotated by the rotation of connecting plate 12, lock latch 15 is moved by rotating, and lock latch 15 is inserted into slot, to realize locking, power module 16 is fixedly installed in the inner wall of the bottom of body 1, fixed rod 17 is fixedly connected in the both sides of power module 16, electromagnet 18 is fixedly connected in the side wall of power module 16 and fixed rod 17, electromagnet 18 is in contact with body 1, when locking, rotating lock cylinder housing 11 makes multiple lock latches 15 be inserted into corresponding slot, then power is connected, multiple electromagnets 18 correspondingly adsorb multiple lock latches 15, so that lock latch 15 cannot move, cannot move lock latch 15 by simple mechanical rotation, to realize double locking function.
[0028] Further, as shown in Figure 2As shown, the lock tongue 15 end wall is provided with a plurality of lock holes 3; a plurality of the lock holes 3 are linearly arranged; the lock tongue 15 side wall is provided with a plurality of triangular grooves 31; the triangular grooves 31 are regularly linearly arranged; in operation, the plurality of lock holes 3 provided on the lock tongue 15 can lock the lock tongue 15 when inserted into the card slot, and the triangular grooves 31 provided on the lock tongue 15 can prevent violent damage to the whole.
[0029] Further, as shown in the figure, Figure 1 The body 1 side wall is fixedly connected with a plurality of protective covers 4; a plurality of protective covers 4 are provided at the through groove 14 as a cover; a plurality of protective covers 4 are provided correspondingly; in operation, the body 1 side wall is fixedly connected with a plurality of protective covers 4, and when the lock tongue 15 moves along the through groove 14, the protective cover 4 can prevent the lock tongue 15 from moving too far, which can damage the whole and make the whole invalid.
[0030] Further, as shown in the figure, Figure 5 The inner side wall of the protective cover 4 is fixedly connected with a plurality of springs 5; a plurality of springs 5 are arranged in an array; a plurality of rubber plates 51 are fixedly connected to the end of the plurality of springs 5; in operation, the inner side wall of the protective cover 4 is fixedly connected with a plurality of springs 5, and a plurality of rubber plates 51 are fixedly connected to the end of the plurality of springs 5, when the lock tongue 15 moves inside the through groove 14, and when the unlocking force is too large, the lock tongue 15 is pressed on the rubber plate 51, and the rubber plate 51 is compressed inward by pressing the spring 5, preventing the impact force from damaging the lock tongue 15.
[0031] Further, as shown in the figure, Figure 1 The body 1 side wall is provided with a plurality of sliding grooves 6; a plurality of the sliding grooves 6 are symmetrically arranged; the sliding cover plate 61 is slidably connected to the side wall of the sliding groove 6; the sliding cover plate 61 is arranged in an up-down sliding manner; in operation, a plurality of sliding grooves 6 are arranged on the body 1 side wall, and the sliding cover plate 61 is slidably connected to the side wall of the sliding groove 6; when the body 1 is locked, the sliding cover plate 61 is slid to the bottom, which can protect the surface of the connecting plate 12, and can protect and dustproof the lock cylinder shell 11 and the fingerprint groove 21.
[0032] Working principle: the inner side wall of the body 1 is provided with a lock cylinder shell 11, the lock cylinder shell 11 is fixed on the surface of the body 1, the middle part of the lock cylinder shell 11 is fixedly connected with a connecting plate 12, the connecting plate 12 is fixedly connected with a connecting shaft 13 on both sides, a plurality of through grooves 14 are formed in the side wall of the body 1, a lock tongue 15 can move in the through groove 14, the connecting shaft 13 is connected with the lock tongue 15, by inserting the key into the lock cylinder shell 11 and rotating the key, the connecting plate 12 can be rotated, the lock tongue 15 is driven to rotate by the rotation of the connecting plate 12, the lock tongue 15 is moved by rotating, the moved lock tongue 15 is inserted into the clamping groove, so as to realize locking, the power module 16 is fixedly installed on the inner side wall of the bottom of the body 1, the power module 16 is fixedly connected with a fixed rod 17 on both sides, the power module 16 and the fixed rod 17 are fixedly connected with an electromagnet 18 on the side wall, the electromagnet 18 is in contact with the body 1, when locking, the lock cylinder shell 11 is rotated to make a plurality of lock tongues 15 clamped into the corresponding clamping grooves, then the power is turned on, a plurality of electromagnets 18 correspondingly adsorb a plurality of lock tongues 15, so that the lock tongue 15 cannot move, the lock tongue 15 cannot be moved by simple mechanical rotation, realizing double locking function, the fixed buckle 2 is fixedly connected with the side wall of the body 1, the fingerprint groove 21 is formed in the middle part of the fixed buckle 2, when locking, the finger is put into the fingerprint groove 21 for identification, the power is turned on after the identification is passed, when unlocking, the finger is put into the fingerprint groove 21 for identification to disconnect the power, so that the electromagnet 18 does not adsorb the lock tongue 15, at this time, the key is inserted into the lock cylinder shell 11 to complete unlocking, a plurality of lock holes 3 are formed on the lock tongue 15, so that the lock tongue 15 can be locked when being inserted into the clamping groove, the triangular recess 31 is arranged on the lock tongue 15, which can prevent violent damage to the whole, a plurality of protective covers 4 are fixedly connected with the side wall of the body 1, when unlocking, the lock tongue 15 moves along the through groove 14, the protective cover 4 can prevent the lock tongue 15 from moving too far, which can damage the whole and make the whole invalid, a plurality of springs 5 are fixedly connected with the inner side wall of the protective cover 4, a plurality of rubber plates 51 are fixedly connected with the ends of the plurality of springs 5, when the lock tongue 15 moves in the through groove 14, if the unlocking force is too large, the lock tongue 15 is pressed on the rubber plate 51, the rubber plate 51 is compressed inward by extruding the spring 5, so as to prevent the impact force from damaging the lock tongue 15, a plurality of sliding grooves 6 are arranged on the side wall of the body 1, a sliding cover plate 61 is slidingly connected with the side wall of the sliding groove 6, when the body 1 is locked, the sliding cover plate 61 is slid to the bottom, so as to protect the surface of the connecting plate 12, the lock cylinder shell 11 and the fingerprint groove 21 can be protected and dustproof.
[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A linkage lock with double locking function, comprising a body (1); characterized in that: The inner wall of the body (1) is provided with a lock cylinder shell (11); the middle part of the lock cylinder shell (11) is rotatably connected with a connecting plate (12); the end of the connecting plate (12) is rotatably connected with a plurality of connecting shafts (13); the plurality of connecting shafts (13) are symmetrically arranged; a plurality of through grooves (14) are formed in the side wall of the body (1); the plurality of through grooves (14) are symmetrically arranged; a plurality of lock latches (15) are rotatably connected with the side wall of the plurality of connecting shafts (13); the bottom inner wall of the body (1) is fixedly connected with a power module (16); the side wall of the power module (16) is fixedly connected with a plurality of fixed rods (17); the plurality of fixed rods (17) are symmetrically arranged; the side wall of the power module (16) and the fixed rod (17) is fixedly connected with an electromagnet (18); the electromagnet (18) is in contact with the lock latch (15).
2. A linkage lock with dual locking function according to claim 1, characterized in that: The side wall of the body (1) is fixedly provided with a fixed buckle (2); the middle part of the fixed buckle (2) is provided with a fingerprint groove (21); the fixed buckle (2) is connected with the power module (16).
3. A linkage lock with dual locking function according to claim 1, characterized in that: The end of the lock latch (15) is provided with a plurality of lock holes (3); the plurality of lock holes (3) are linearly arranged; the side wall of the lock latch (15) is provided with a plurality of triangular grooves (31); the triangular grooves (31) are regularly linearly arranged.
4. A dual locking function link lock according to claim 1, wherein: The side wall of the body (1) is fixedly connected with a plurality of protective covers (4); the plurality of protective covers (4) are located at the through grooves (14) and are provided as covers; the plurality of protective covers (4) are correspondingly arranged.
5. A dual locking function link lock according to claim 4, wherein: The inner wall of the protective cover (4) is fixedly connected with a plurality of springs (5); the plurality of springs (5) are arrayed; the end of the plurality of springs (5) is fixedly connected with a rubber plate (51).
6. A dual locking function link lock according to claim 1, wherein: The side wall of the body (1) is provided with a plurality of sliding grooves (6); the plurality of sliding grooves (6) are symmetrically arranged; the side wall of the sliding groove (6) is slidably connected with a sliding cover plate (61); the sliding cover plate (61) is arranged to slide up and down.